string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9D%AD%E5%BB%BA%E5%B9%B3%E7%9A%84%E6%88%98%E7%95%A5%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
杭建平的战略怎么样
